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Being too thinor too fat isunhealthy,but good healthisabout much more than justyour weight. It depends on many things, includingyour fami- ly’s medicalhistory, your genes, whether you smoke , the type of food you eat and how active you are. It’s therefore difficultto set an exact idealhealthyweight that ap- pliesto everyone. Many people have a dis- torted (歪曲的) perception (看法) of what constitutesa healthybody weight. We ’re surrounded by images of glamorous(有魅力的)people, many of whom are in fact underweight.... 相似文献
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While it is impossible to live completely free of stress, it is possible to prevent stress as well as reduce its effect when it can't be avoided. The US Department of Health and Human Services offers the following suggestions for ways to deal with stress. Try physical activity.When you are nervous, angry or upset, try releasing the pressure through exercise or physical activity. Running, walking, playing tennis, or working in your garden are just some of the activities you might try. Physical exercise will relieve your anxiety and worry and help you do relax. Your body and your mind will work together to ease the stress in your life. 相似文献
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在理解和把握劳动生产率、社会劳动生产率、社会必要劳动时间、商品价值量等概念的基础上明确劳动生产率和商品价值量的关系是:商品价值量与社会劳动生产率成反比。明确其重要的理论和现实意义。 相似文献
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数学的简单性、对称性、统一性、普遍性和奇异性等,构成数学美的特点.数学美是数学家通过数学实践活动,使自己本质量对象化,是人的本质力量通过数学思维结构的一种呈现.在数学美的研究中,一些数学家认为,简单性、对称性、统一性、奇异性等,是数学美的特征.但有的数学家认为,由于数学创造取得的自由形式,往往表现出简单性、对称性、统一性、奇异性等形式,所以它们是数学美的表现形式,而不是数学美的特征,更不是数学美的本质认为数学美的特征是:客观性、社会性、形象性、理性徐本顺、股启正在撤学中的美学方法卜书中指出数学美… 相似文献
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A man went into a bar, sat down, called the barman and said to him, "Give me a drink before the trouble starts."一个人走进酒吧坐了下来, 然后叫 来服务生, 并对他说“:先给我一杯喝的 吧, 待会儿麻烦就来了。”The barman was busy with other peo- ple, so he did not say anything, but he gave him the drink, and the man drank it quickly. Then he put his glass down, called the barman again and said to him, “Give me another one before the trouble starts.”服务生忙着招待其他的客人, 所以他什么也没有说, 把一… 相似文献
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